🔧 What this part is
Auxiliary Topside, Balboa, Genuine AX10A1, Jet 1, without Overlay, part number G8911. The internal is the part of a jet that sits in the spa shell and can be replaced without touching the plumbing behind it.
✅ Check before you order
- The number on the old part should read G8911, or the maker’s equivalent.
- Not sure? Send us a photo of the old part and any number on it, and we will tell you whether this is the one.
📌 Also on this listing
This auxiliary topside is specific to Jet 1. It will not operate other appliances.





